Moses Lake, WA micro area ZIP codes
The Moses Lake, WA micropolitan statistical area (CBSA 34180) covers 1 county in Washington and 14 ZIP codes.
- ZIP codes
- 14
- Population
- 97,918
- Avg. median income
- $73,300population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Moses Lake, WA area
ZIP codes in the Moses Lake, WA area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 98823 | Ephrata | Grant County | 12,188 | $73,074 | $309,700 |
| 98824 | George | Grant County | 147 | $44,028 | $176,800 |
| 98832 | Marlin | Grant County | 87 | $31,964 | $309,100 |
| 98837 | Moses Lake | Grant County | 49,455 | $74,586 | $360,400 |
| 98848 | Quincy | Grant County | 12,854 | $87,714 | $420,700 |
| 98851 | Soap Lake | Grant County | 4,437 | $63,333 | $299,900 |
| 98853 | Stratford | Grant County | 6 | — | — |
| 98857 | Warden | Grant County | 4,062 | $61,860 | $282,300 |
| 98860 | Wilson Creek | Grant County | 277 | $62,500 | $185,100 |
| 99123 | Electric City | Grant County | 977 | $87,841 | $305,700 |
| 99135 | Hartline | Grant County | 395 | $80,469 | $216,800 |
| 99321 | Beverly | Grant County | 1,047 | $75,795 | — |
| 99349 | Mattawa | Grant County | 8,143 | $61,333 | $440,400 |
| 99357 | Royal City | Grant County | 3,843 | $57,034 | $346,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Frequently asked questions
How many ZIP codes are in the Moses Lake, WA micro area?
14 ZIP codes, based on each ZIP code's main county.
Which counties make up the Moses Lake, WA area?
Grant County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).